/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package com.sk89q.worldedit.internal.expression;

/**
 * Represents the metadata for a named local slot.
 */
public interface LocalSlot {

    final class Constant implements LocalSlot {
        private final double value;

        public Constant(double value) {
            this.value = value;
        }

        @Override
        public double getValue() {
            return value;
        }

        @Override
        public String toString() {
            return String.valueOf(value);
        }
    }

    final class Variable implements LocalSlot {
        private double value;

        public Variable(double value) {
            this.value = value;
        }

        public void setValue(double value) {
            this.value = value;
        }

        @Override
        public double getValue() {
            return value;
        }

        @Override
        public String toString() {
            return String.valueOf(value);
        }
    }

    double getValue();

}
